[(2E,4E)-(6R,7R)-6-Hydroxy-8-((3R,3aS,4S,6aS)-3a-hydroxy-6a-hydroxymethyl-1,3-dimethyl-2,6-dioxo-hexahydro-furo[3,4-b]pyrrol-4-yl)-7-methyl-octa-2,4-dienyl]-carbamic acid 9H-fluoren-9-ylmethyl ester 在
吡啶 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
二氯甲烷 为溶剂,
反应 25.0h,
生成 Acetic acid (3R,3aS,4S,6aS)-4-[(4E,6E)-(2R,3R)-3-acetoxy-8-((4Z,6Z,8E)-(R)-3-acetoxy-2,2,4-trimethyl-10-oxazol-5-yl-deca-4,6,8-trienoylamino)-2-methyl-octa-4,6-dienyl]-3a-hydroxy-1,3-dimethyl-2,6-dioxo-tetrahydro-furo[3,4-b]pyrrol-6a-ylmethyl ester